I have analysed the stats some more and noticed a certain pattern, so that you can look for certain conditions to be in place before deciding whether there is a bet to be had or not.
Before this weekend, there had been 9 occasions when an away side was highlighted as being worth a bet (following thw above mentioned conditions), with them winning 7 times.
This weekend there were 2 more, Northampton beat Worcester yesterday to make it 8 wins out of 10 and currently Gloucester are 7-0 up at half time against Saracens, well on their way to making it 9 wins out of 11
Result : Saracens 9 Gloucester 19, therefore indeed making it 9 wins from 11.